JBL W12GTi MK2 4000W 12 inch Subwoofer - W12GTIMK2 from JBL
CS-1214 12" High power Single Voice Coil Subwoofer CS-Series
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JBL CS12 500 Watts 12 inch Subwoofer - CS12 from JBL
S3-1224 | 12" (300mm) high-performance car audio subwoofer
JBL Stage 122D - Subwoofer Car - 1000 Watt Harman Kardon Car HiFi Sound System Bass Box with Dual 4-OHM Coil - 30 cm | 12 Inch Bass Box, Black : Amazon.co.uk: Electronics & Photo
JBL Stadium 122SSI Stadium Series 12" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
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JBL 12" Inch 1000w Car Audio Subwoofer Driver Bass STAGE SPL Sub Woofer New 6925281927072 | eBay